200 
Hare, R. B., 117, ae 188. 
Harshberger, John W wy 2y AS8a. 
Hart, George H., pe 
Hatton, John ity 109, 124, 131, 183. 
Havard, V., 76, "85, 104, 183. 
Haw, black, 63. 
Douglas, 63. 
purple, 112. 
Hawthorn (Crataegus), ks Se at 68. 
black (C. douglasii), 63. 
Douglas, 63 
river (C. rivularis), 64. 
short-spined, 
Hazel (Corylus), 9, 19, 69. 
beaked (C. rostrata), 19. 
California (C. californica), 19, 106. 
Heart-nut, 82. 
+Heath (Erica), 126, 132, 166. 
family, 5, 7, 9, 122-133. 
mountain (Phyllodoce), 132. 
Brewer (P. breweri), 132. 
cream (P. glanduliflora), 132. 
red (P. empetriformis), 1352. 
+Heather (Calluna vulgaris), 126, 132. 
Hedg e plants, 91. 
Hedgehog cactus (Echinocereus spp.), 180. 
Hediondilla, 
Helenieae, 166. 
Heliantheae, 164-166. 
Helm, Harley J., 4. 
Hemlock, 132, 133. 
Henkel, ‘Alice, 145, 148, 153, 183. 
Henry, Joseph Kaye, 188. 
Hepner, F. H., 33, 184. 
Hill, Robert ne 4, 10, 183. 
Hills, golden, 164. 
Tipnocastaneteae: 102. 
Hippomane mancinella (manchineel), 93. 
Hogs. See Swine. 
Holacantha emoryi, 116. 
Hollygrape (Odostemon), 36-37, 48. 
creeping (QO. repens), 37. 
Frémont (O. fremontii), 37. 
Oregon (QO. aquifolium), Bee 128. 
red (O. haematocarpus), 37. 
Holodiscus discolor, 58 
dumosus, 58. 
Holy-rose, marsh, 22: 
Honey (plants). See Bee plants. 
Honeyballs, 145. 
Honeysuckle (Lonicera), 146—147. 
(Anisacanthus thurberi), 144. 
bearberry (L. inyolucrata), 146-147. 
bush, 147. 
chaparral (L. interrupta), 147%. 
family, 7, 9, 146-153. 
fly, 146. 
involucred, 146. 
Ledebour (L. ledebourii), 147. 
timber, 147. 
Utah Gu utahensis), 147. 
Hopbuste (Dodonaea viscosa angustifolia), 102— 
104 
Hops, 91. 
Hop-sage (Grayia), 8, 33-34. 
spineless (G. brandegei), 33-34, 
spiny (G. spinosa), 33. 
Hoptree (Ptelea), 91. 
common (P. trifoliata), 91. 
Hornaday, William T., 80, 164, 183. 
Hornbrush (sec. Cerastes, genus Ceanothus), 
104, 105. 
Gregg (Ceanothus greggii), 111, 112. 
wedgeleaf (C. cuneatus), 69, 111. 
jHorsebean (Vicia faba), 79. 
(Parkinsonia aculeata), 79. 
Horsebrush (Tetradymia), 176-177. 
(Grayia spinosa), 33. 
(Parthenium incanum), 165. 
littleleaf (T. glabrata), 176-177. 
longspine (T. axillaris), 177, 178. 
Nuttall (T. nuttallii), 177. 
shortspine (T. spinosa), WC 
spineless (T. canescens inermis), 177, 178. 
Sie aaa: (Aesculus; A. hippocastanum), 
IN DEX 
Horses, 11, 21, 33, 34, 37, 46, 48,.49, 53, 
Pe. 76, 79, 83, 85, 86, 87, 102, 109, 
114, 134, 138, 139, 154, 156, 158, 160, 
163, 164, 166, 167, 172, "175, 176. 
Horsetail, ‘shrubby, 12, 
Horsfordia newberryi, 114. 
Hough, Romeyn Beck, 188. 
Howard, Charles D., 67, 69, 184. 
Howell, Thomas, 188. 
Hoyle, Mrs. Annie H., 4. 
Huckleberry (Gaylussacia) » 
dwarf, 
high (bush), 133. 
family, 9. See Blueberry family. 
fools’, 131. 
large, 133. 
medium, 134. 
red, 135. 
small, 134, 135. 
small- leaved, 135. ; 
swamp, 1384. 
tall red, 135. 
thinleaf, 133. 
Humble, Cleveland W., 188. 
Humus, 34, 46, 48, 135. 
Hurst, C. Ena 4, 
Hurtt, Leon C., 4, 188. 
Hydrangea arborescens (smooth h.), 153. 
family. 9, 39-40. 
Hydrangeaceae, 9, 39-40. 
Hydrocyanic acid, 45, 67, 68. 
Hydrophyllaceae, "139-140. 
Hylocereus (nightblooming cereus), 118. 
Hymenatherum; 4H. ile 165-166. 
Hymenocilea, 8, 103, 
monogyra EN ene 154, 179, 180. 
Wypericum, 180. 
Hyptis, 9, 140, 141. 
emoryi (Hmory bushmint), 141. 
lanata, 141. 
Tiex verticiilata, 179. 
Tliamna, 115 
Incienso, 164. 
Indicator plants, 83, 89, 90, 160, 164, 167, 
168, 169, 170, 171, 180. 
Indigo, American (Indigofera enim)» 83. 
jtrue (Indigofera tinctoria), 83. 
Indigobush (Amorpha; A. fruticosa), 82—83. 
(Psoralea spinosa), 85. 
California (A. californica), 83. 
desert (A. cccidentalis), 83. 
dwarf (A. nana), ee 
Indigofera (indigo), 83. 
anil, 83. , 
suffruticosa (American i.), 83. 
jtinctoria (true i.), 83. 
Ingenhouzia triloba, 114, 
See Blueberry. 
Ingram, Perce C., 4, 68, 70, 98. 
Inkberry, 14 
tnsects) 102, S31, 173. See also Bee plants: 
gal 
cochineal, 118. 
destructive to browse spp., 163. 
Iodine-weed, 36. 
Ironwood, 86, 137. 
desert, 86. 
Mexican, 86. 
Sonora, 86, 
Isocoma, 156. See Aplopappus. 
coronopifolia, 157. See A. fruticosus. 
fruticosa, 157. See A. fruticosus. 
veneta, 156. See A. venetus. 
wrightii, 156. See A. heterophyllus. 
Ivy, poison (Toxicodendron spp.), 96, 97. 
western (T. rydbergii), 97. 
Jaboncillo, 104, 140. 
Jackson Hole (region), 33, 170. 
Jamesia americana, 
Jano, E 
Jardine, James T., 4, 188. 
Jasmine, bastard, 142. 
Jatropha (nettle-spurge, ete.), 93. 
Jay, Oregon, 65. 
Jepson, Willis Linn, 19, 27, 31, 65, 
131, 1338, 1438, 148, 183. 
Jersey-tea, inland (Ceanothus ovatus), 109. 
Jerusalem-thorn (Parkinsonia aculeata), 8, 79. 
102, 
